Minor material amendment to planning permission 20/AP/0779 [Approval date: 08.07.2020] 'Refurbishment and extension of the All Saints Annexe, with all internal floorspace to be mixed Class B1/D1 (office/museum) use, involving the demolition of existing rear extensions and the construction of new two-storey rear extensions. The development would include hard and soft landscaping improvements, the provision of rooftop plant and the creation of an associated waste storage area' consisting of: - Providing additional hard landscaping and new steps around the rear northwest terrace owing to the omission of the IWM Generator and IWM Chillers; - Relocating and adding cast iron air bricks to the rear and side (northwest, northeast and southwest) elevations; - Infilling existing windows on the first and second floor of the rear (northwest) elevation; - Inserting glazed window units into two existing infilled windows on the lower ground floor of the side (northeast) elevation; - Adjusting some of the fenestration on the rear (northwest) elevation; - Converting the consented IWM server room into additional office accommodation; and - Changing the consented partition layout on the second floor.

Non-material amendment to planning permission 18/AP/1577 [Approval date: 05.04.2019] for 'Construction of a three-storey building for Class D1 use (to provide offices and staff accommodation ancillary to the Imperial War Museum) within the rear yard, to incorporate rooftop plant and photovoltaics, together with the change of use of the existing All Saints Annexe building from Class D1 (ancillary to the museum) use to a mixed Class B1 (office) / Class D1 (ancillary to museum) use. The development will include hard and soft landscaping improvements, the provision of a cycle and refuse store, the provision of one accessible car parking space at the front of the All Saints Annexe building, the demolition of a portion of the site's boundary wall to Geraldine Mary Harmsworth Park and the incorporation of the replacement wall into the ground floor of the proposed building, the realignment of the access road into the site from the Park, demolition of the portakabins and other associated works'. The non-material amendment consists of: - design changes to a fire egress door in the east elevation of the consented building; - the insertion of a secondary fire egress door in the east elevation of the consented building; and - a reduction in the area of the planting bed around the perimeter of the consented building.